通过

IAMWstDecoder::GetBackgroundColor

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Microsoft DirectShow 9.0

IAMWstDecoder::GetBackgroundColor

Downstream filters use the GetBackgroundColor method to retrieve the current physical color used in color keying the background for overlay mixing.

Syntax

  HRESULT GetBackgroundColor(
  
  DWORD*
  
  pdwPhysColor
  
  );

Parameters

pdwPhysColor

[out]  Specifies a pointer to a DWORD to receive the physical color as an RGB value.

Return Values

When the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Header: Include Iwstdec.h.

Library: Use Strmiids.lib.

See Also